Comodo's Internet Security suite differs from traditional antivirus software in that it also includes other layers of protection, including anti-spyware, parental controls, privacy protection and much more. This Free Internet Security suite is a complete package that you can download and install for peace of mind.

Using this free internet security software, you defend your PC from malicious software such as viruses, you prevent your personal information from being stolen and you protect your children from Internet dangers.

I have been using Comodo Free Internet Security for well over 9 years now, if I am not mistaken in my calculations. I do not remember a single major infection since switching to Comodo from Avast, to which I switched to from AVG (which now turns out was a horrible mistake on my part way back when, haha). Favorite UI version of the Free Internet Security was back in 2011 though, when I wrote a Finish user manual for that version as my final work for my school back then.
So yes, I warmly recommend the Free Internet Security. And if you have the money to do so, please do consider upgrading to the full version. Comodo and their team truly deserve it.

Lucas Chen06/01/2016

Perfect security software

Up to now, I have tried and analyzed various anti-virüs programs including Avira, Kaspersky, Bitdefender and Avast. However, one of the softwares I am satisfied with is Comodo. I have been using Comodo Internet Security both on my laptop and on my desktop computer. I like all the services that Comodo provides. It is unbelievably fast and uses so little source on computer.(less than 20 MB) On the other hand, its protection is 5-stars. It is able to detect the viruses which others couldn't. No need to say about the firewall. Highly recommended ! You won't regret trying it.

Hossein05/30/2016

Comodo is very Gooooooooooooood.

I believe that comodo is one of the best internet securities in the word.

Mason05/27/2016

Recommend to all

I have been using Comodo Free Internet Security for a couple of months now. It is able to track malware and has warned many times. It has not affected system performance and I am very happy with it. I recommend that you guys try it out.

andrew michael king05/23/2016

comodo is the best

Comodo internet security is my only love. i hate when i see in the top 10 bitdefender and other products and my Comodo isn't. i use cis since 2010 and i am very proud to this product. it is very light and he protects me very well. BITDEFENDER IS A BULLSHIT is not light and no configurable. i love you Comodo!

FAQ for Comodo Internet Security V8

1. What makes Internet Security better than my current Antivirus and Firewall combo?

Internet Security is a security suite plus. More than just an antivirus program, it also includes an award-winning firewall, host intrusion prevention, a sandbox for untrusted software, anti-malware and buffer overflow protection to deliver comprehensive protection against today's diverse range of threats.

Yes. Applications in the sandbox are run under a carefully selected set of privileges and will write to a virtual file system and registry instead of the real system. This means untrusted (but harmless) applications have the freedom to operate as usual while malicious programs are prevented from accessing or infecting your computer. This provides smoothest and most secure user experience possible.

Yes – you are given the option to install exactly the components you want during setup.

2. What makes Comodo's Internet Security product different from the others?

It's simple: prevention-based, Default Deny Protection. It works by only allowing trusted files to run on your system. Files that are not trusted are run inside the new sandbox

5. Do programs stay in the Sandbox forever?

No – the sandbox is the first part of a trust decision engine. After an unknown application has been placed in the sandbox, Internet Security will also automatically queue it for submission to Comodo labs where it will be analyzed by our technicians. If it is found to be harmless then it will be added to the global safe list that will be downloaded by all Internet Security users in the next round of updates. Once it is added to the safe list, the application will no longer be run in the sandbox by Internet Security. If it is found to be malicious then it will be added to Comodo's list of malware signatures and will be deleted after the next round of updates.

The sandbox is a virtual operating environment created within your computer for unknown and untrusted programs. Internet Security automatically runs untrusted programs in the sandbox where they cannot make changes to processes, programs or data on your 'real' system. This protection goes well beyond traditional Antivirus software by ensuring any brand new viruses are completely isolated and cannot cause damage.

Yes. However, enterprises looking to implement Internet Security on large networks of workstations would benefit from the centralized management capabilities of Comodo Endpoint Security Manager (CESM).

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When downloading the software you will alsoreceive access to a GeekBuddy expert, available24/7. Click on Chat Now from your ManagementInterface or click on the GeekBuddy icon onyour desktop.and vendor.

Make sure to have your order number or subscription information available.

For technical product questions visit our Support Home Page click on the "Submit a Ticket" link and select "Internet Security Support" from the dropdown menu and submit.

Online Help Guide

Check out our Online Help Guide for tips on how to use and configure our products and for detailed technical information.Go to the Help Guide

Forum & Knowledgebase

Our Forum is populated with fellow Comodo users and developers alike and can quite often be the quickest and friendliest way to find answers to questions that you have.Read the Forum

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What's new?

Viruscope

Viruscope monitors the activities of processes running on your computer and alerts you if they attempt to take suspicious actions. Apart from forming yet another layer of malware detection and prevention, the sub-system represents a valuable addition to the core process-monitoring functionality of the Behavior Blocker by introducing the ability to reverse potentially undesirable actions of software without necessarily blocking the software entirely. This provides more granular control over otherwise legitimate software which requires certain actions to be taken in order to run correctly. Viruscope works using a constantly expanded list of activity 'recognizers', which allow the software to detect, block and undo many potentially unwanted actions.

Website Filtering

The new website filtering section gives Comodo Internet Security (CIS Version 8) users a powerful and easy way to allow or block access to specific websites. Website access rules can be created for particular users of your computer, which makes this feature very useful for both home and work environments. For example, parents can block juvenile users from visiting inappropriate websites while companies can prevent employees from visiting leisure sites during working hours. You also have the option to create a log event whenever a user tries to visit a website which is in conflict with a rule. Comodo Internet Security (CIS Version 8) ships with several preset lists (or 'categories') of URLs which can be added to rules that you create - including the 'Malicious sites category', the 'Comodo Safe category', the 'Comodo Phishing category' and the 'Comodo Malware category'.

UI Update

The Comodo Internet Security (CIS Version 8) user interface features several design and UX enhancements which allow you to accomplish tasks faster while keeping you better informed than ever before. New themes include the bold new 'Metro' theme.

Process Activity Dialog is added.

Added 'Please call a live expert' balloon message in main GUI when running into 'At Risk' status.

Virtual Kiosk is renamed to Virtual Desktop

Advanced settings window has been redesigned to provide a better layout

Protected Data Folder

New data security feature which makes important files completely invisible to programs running in the sandbox. Files placed inside a ‘Protected Data Folder’ cannot be read, accessed or modified by any sandboxed application.